Vulnerability CVE-2018-13639
Published: 2018-07-09

Description:
The mintToken function of a smart contract implementation for Virtual Energy Units (VEU) (Contract Name: VEU_TokenERC20), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Veu tokenerc20 project -> Veu tokenerc20 

 References:
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/VEU_TokenERC20
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